Adds Event system and automatic messages

source/Events/Handlers/SendCreatedNotification.ts

@@ -0,0 +1,75 @@
+import {ElementCreatedEvent} from "../ElementCreatedEvent";
+import {DefaultHandler} from "../DefaultEvents";
+import {PlaydateModel} from "../../Models/PlaydateModel";
+import PlaydateTableConfiguration from "../../Database/tables/Playdate";
+import {EmbedBuilder, roleMention, time} from "discord.js";
+import {ArrayUtils} from "../../Utilities/ArrayUtils";
+import {GroupConfigurationHandler} from "../../Groups/GroupConfigurationHandler";
+import {Container} from "../../Container/Container";
+import {GroupConfigurationRenderer} from "../../Groups/GroupConfigurationRenderer";
+import {GroupConfigurationRepository} from "../../Repositories/GroupConfigurationRepository";
+import {DiscordClient} from "../../Discord/DiscordClient";
+
+const NEW_PLAYDATE_MESSAGES = [
+  'A new playdate was added. Lets hope, your GM has not planned to kill you. >:]',
+  'Oh look. A new playdate... neat.',
+  'A new playdate. Lets polish the dice.'
+];
+
+export async function sendCreatedNotificationEventHandler(event: ElementCreatedEvent<PlaydateModel>) {
+  if (event.tableName !== PlaydateTableConfiguration.name) {
+    return;
+  }
+
+  const playdate = event.instanceValues;
+  if (!playdate.group || !playdate.from_time || !playdate.to_time) {
+    return;
+  }
+ 
+  
+  const configurationHandler = new GroupConfigurationHandler(
+    Container.get<GroupConfigurationRepository>(GroupConfigurationRepository.name),
+    playdate.group
+  );
+  
+  const targetChannel = configurationHandler.getConfigurationByPath('channels.newPlaydates');
+  if (!targetChannel) {
+    return;
+  }
+  
+  const channel = await Container.get<DiscordClient>(DiscordClient.name).Client.channels.fetch(targetChannel)
+  if (!channel) {
+    return;
+  }
+
+  if (!channel.isTextBased()) {
+    return;
+  }
+
+  if (!channel.isSendable()) {
+    return;
+  }
+
+  const embed = new EmbedBuilder()
+    .setTitle("New Playdate added")
+    .setDescription(
+      ArrayUtils.chooseRandom(NEW_PLAYDATE_MESSAGES)
+    )
+    .addFields({
+      name: "Playdate:",
+      value: `${time(playdate.from_time, "F")} - ${time(playdate.to_time, 'F')}`,
+    })
+    .setFooter({
+      text: `Group: ${playdate.group.name}`
+    });
+
+  channel.send({
+    content: roleMention(playdate.group.role.roleid),
+    embeds: [
+      embed
+    ],
+    allowedMentions: {
+      roles: [ playdate.group.role.roleid ]
+    }
+  })
+}